TY - CPAPER TI - Analysis on the Characteristic of Energy Flow in Urban Ecological Economic System—A Case of Xiamen City PY - 2012 AU - W. Zhao PB - Procedia Environmental Sciences LK - http://www.sciencedirect.com/science/article/pii/S1878029612002174 DO - 10.1016/j.proenv.2012.01.216 ER -